Figure 1. Study flow.
(A) Multicenter and (B) single-center analysis.
COVID-19, coronavirus disease 2019; GN, glomerulonephritis; HSP, Henoch-Schönlein purpura; IgAN, immunoglobulin A nephropathy.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.